pixfmt: Add GRAY10

Based on 7471352f by Luca Barbato.
Signed-off-by: James Almer <jamrial@gmail.com>

doc/APIchanges

@@ -13,6 +13,9 @@ libavutil:     2017-03-23
 
 API changes, most recent first:
 
+2018-xx-xx - xxxxxxx - lavu 56.8.0 - pixfmt.h
+  Add AV_PIX_FMT_GRAY10(LE/BE).
+
 2018-xx-xx - xxxxxxx - lavc 58.10.0 - avcodec.h
   Add av_bsf_flush().
 

libavutil/pixdesc.c

@@ -483,6 +483,27 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         },
         .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
     },
+    [AV_PIX_FMT_GRAY10BE] = {
+        .name = "gray10be",
+        .nb_components = 1,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 2, 0, 0, 10, 1, 9, 1 },       /* Y */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE,
+        .alias = "y10be",
+    },
+    [AV_PIX_FMT_GRAY10LE] = {
+        .name = "gray10le",
+        .nb_components = 1,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 0, 2, 0, 0, 10, 1, 9, 1 },       /* Y */
+        },
+        .alias = "y10le",
+    },
     [AV_PIX_FMT_GRAY12BE] = {
         .name = "gray12be",
         .nb_components = 1,
@@ -1958,6 +1979,7 @@ enum AVPixelFormat av_pix_fmt_swap_endianness(enum AVPixelFormat pix_fmt)
     case AV_PIX_FMT_ ## fmt ## LE: return AV_PIX_FMT_ ## fmt ## BE
 
     switch (pix_fmt) {
+    PIX_FMT_SWAP_ENDIANNESS(GRAY10);
     PIX_FMT_SWAP_ENDIANNESS(GRAY12);
     PIX_FMT_SWAP_ENDIANNESS(GRAY16);
     PIX_FMT_SWAP_ENDIANNESS(YA16);

libavutil/pixfmt.h

@@ -249,6 +249,9 @@ enum AVPixelFormat {
      */
     AV_PIX_FMT_D3D11,
 
+    AV_PIX_FMT_GRAY10BE,   ///<       Y        , 10bpp, big-endian
+    AV_PIX_FMT_GRAY10LE,   ///<       Y        , 10bpp, little-endian
+
     AV_PIX_FMT_NB,        ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
 };
 
@@ -263,6 +266,7 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_BGR32   AV_PIX_FMT_NE(ABGR, RGBA)
 #define AV_PIX_FMT_BGR32_1 AV_PIX_FMT_NE(BGRA, ARGB)
 
+#define AV_PIX_FMT_GRAY10 AV_PIX_FMT_NE(GRAY10BE, GRAY10LE)
 #define AV_PIX_FMT_GRAY12 AV_PIX_FMT_NE(GRAY12BE, GRAY12LE)
 #define AV_PIX_FMT_GRAY16 AV_PIX_FMT_NE(GRAY16BE, GRAY16LE)
 #define AV_PIX_FMT_YA16   AV_PIX_FMT_NE(YA16BE,   YA16LE)

libavutil/version.h

@@ -54,8 +54,8 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR 56
-#define LIBAVUTIL_VERSION_MINOR  7
-#define LIBAVUTIL_VERSION_MICRO  1
+#define LIBAVUTIL_VERSION_MINOR  8
+#define LIBAVUTIL_VERSION_MICRO  0
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \